Ecology Weeks 1-5

Ecology Weeks 1-5

7th Grade

40 Qs

quiz-placeholder

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Ecology Weeks 1-5

Ecology Weeks 1-5

Assessment

Quiz

Science

7th Grade

Hard

Created by

LISA ONEAL

FREE Resource

40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Populations contain:

One Species

More than one species

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
Using the food web to the left, which of the following is most likely to lead the greatest decrease in the deer mouse population?
an increase in the owl populations
an increase in the grass population
an increase in the pine tree population
an increase in the cottontail population

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
For the food chain shown above, which of the following changes would have the most severe consequences?
a drastic decrease in rainfall, causing drought
a poaching of predatory hawks by game hunters
the introduction of a second predator that eats field mice
a parasitic infestation that reduces  the cricket population

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Organisms that make up the first  level of a food chain and produce their own food are classified as 
predators
autotrophs
heterotrophs
decomposers

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
Which of these best describes the relationship between epiphytes and trees?
Parasitism
Migration
Commensalism
Predation

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
The diagram to the left is intended to show relationships in an ecosystem. What do the arrows represent?
The direction of energy flow
The direction of the wind
The direction of the sun
The direction of the predators

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nitrogen-fixing bacteria called rhizobia enter the root hairs of bean plants. The bacteria are located in small root structures called nodules. The plants provide energy to the bacteria, and in return, the plants receive nitrogen for growth from the bacteria.
According to the information above, which of these best describes the relationship between rhizobia and bean plants?
Parasitism
Opportunism
Commensalism
Mutualism

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